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  1. By: Renaud, Wayne E. - Bradstreet, Michael S.W
    Type: Article
    In: The Canadian field-naturalist
    Volume: 94
    Issue: 4
    Date: 1980
    Page Range: 421--425
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Bradstreet, Michael S.W - Page, Gary W - Johnston, W. Gavin
    Type: Article
    In: The Canadian field-naturalist
    Volume: 91
    Issue: 3
    Date: 1977
    Page Range: 225--236
    Publication Info: Ottawa Ottawa Field-Naturalists' Club